Skeleton for pipes, reservoirs, and the like of strengthened cement and concrete.



PATENTED JAN. 1, 1907. F. E. BOUQUET. SKELETON EOE PIPES, RESERVOIRS, AND THE LIKE 0E STRENGTHENED CEMENT AND CONCRETE.

APPLIGATION FILED MAR.2 9. 1901.

#15 ATTORNEYS of metallic grating,

UNITED srArns PATENT OFFICE! FERN AND EDOUARD BOUQUET, OF PARIS, FRANCE. SKELETON FOR PIPES. RESERVOIRS, AND THE LIKE 0F STRENGTHENED CEMENT AND CONCRETE.

I Specification of Letters Patent.

" Application filed March 29, 1901. Serial No. 53,530-

Patented Jan. 1, 1907.

To all whom, it may concern: [-advantages of such a plate from the\ oint of Be it known that L FERNAND Enounan view of tangential and longitudina' resist- BOOQUET, 0 ance as Well as staunchness or tightness. *rance, have invented a certain new and use I may' also place above the one or more Pipes, Reservoirs, and the I wire layers a second cylinder of metallic Like of Strengthened Cement and Concrete, l trellis-worka,itself hooped at b',if necessary, of which the following is a full and exact deby a spiral winding of wire joined to ether or scription, otherwise. The pipe would thus e composed of two concentric pipes made of relates to an arrangement I of metallic skeleton or frame for the manustrengthened cement. Between the interior facture of reservoir-pipes of a shape more l and the incasing pipe may be inserted a especially cylindrical and of similar 00 windin o some fabric or cloth '0, suitably. structions in strengthened cement and rencoated with asphalt, bitumen, or similar subdering them suitable to withstand great eX- stance. Sleeves or sockets s, of strengthened ternal as well as internal pressure. cement, similarly formed m y e used to se- In the ac companying drawings, Figure 1 is an end view'of a pipe constructed according to my invention. f 'ig-. 2 is a sideelevation With a part of the cement outer covering broken away to show the-internal construc-' tion. Fig. 3 is an end View ofamodification, tended for constructions in strengthened ceand Fig. 4 is a side elevation showing a ment that the word"cement method of joining the pipes end to end. 1 most eneral acceptanceand that I under This skeleton is composed, first, of aframe h cement ormortar, con

trellis, or lattice a, afterby one or more layers of metal cure the oint between fidJOlDlIig sections.

Ward covered of the metallic trellis. As regards the method of uniting .to the eton the cement, concrete, or' material taking the place thereof, I may use any par ticular method or process of manufacture;

a 'nd. 0 hoop upon the frame of metallic trellis-w0rk. The grating or metallic trellis may be of any kind; butI wish to state that the well-known trellis-Work known by the k I claim as In 'inventionname of expanded metal or expanded I compoun cement pipe, comprising a metal lathing can be used with advantage. number of concentric trellis-work s eletons,

It is to be noted that in the case of the closed spirals forms a pipe 1 possesses in itself'a consider 'l convolutions of wiremoiled around each of, tween each of the convolutions of wire and the next outer trellis-work skeleton.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

FERNAND EDOUARD BOGQUEII.

posed layersin which the vound. l

Such a skeleton can replace with advan age the riveted metal plate hitherto gener- 'Witnesses: vll y used in the constructionof pipes or tubes GUsTAVE DENNONT, f strengthened cement. It possessesallthe EDWARD P. MAoLEAN.

is taken inits said trellis-work skeleton-s, and afg'ibric be 

